/* ── Reset & Base ── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* ── Accessibility ── */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

*:focus-visible {
  outline: 3px solid var(--primary-light);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

:root {
  --primary: #1e40af;
  --primary-light: #3b82f6;
  --primary-dark: #1e3a8a;
  --success: #059669;
  --warning: #d97706;
  --danger: #dc2626;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  --radius: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.06);
  --card-bg: #ffffff;
  --input-bg: #ffffff;
  --input-border: #d1d5db;
  --table-stripe: #f9fafb;
  --text-primary: #1f2937;
  --text-secondary: #6b7280;
  --text-on-primary: #ffffff;
  --highlight-bg: #eff6ff;
  --highlight-border: #bfdbfe;
  --success-bg: #ecfdf5;
  --success-text: #065f46;
  --warning-bg: #fef3c7;
  --warning-text: #92400e;
  --warning-border: #f59e0b;
  --danger-bg: #fef2f2;
  --danger-text: #991b1b;
  --danger-border: #fecaca;
  --info-bg: #eff6ff;
  --approved-bg: #f0fdf4;
}

@media (prefers-color-scheme: dark) {
  :root {
    --primary: #3b82f6;
    --primary-light: #60a5fa;
    --primary-dark: #1e3a8a;
    --success: #34d399;
    --warning: #fbbf24;
    --danger: #f87171;
    --gray-50: #1a1a2e;
    --gray-100: #16213e;
    --gray-200: #1f2937;
    --gray-300: #374151;
    --gray-400: #6b7280;
    --gray-500: #9ca3af;
    --gray-600: #d1d5db;
    --gray-700: #e5e7eb;
    --gray-800: #f3f4f6;
    --gray-900: #f9fafb;
    --shadow: 0 1px 3px rgba(0,0,0,0.3), 0 1px 2px rgba(0,0,0,0.2);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.25), 0 2px 4px rgba(0,0,0,0.2);
    --card-bg: #1e293b;
    --input-bg: #1e293b;
    --input-border: #4b5563;
    --table-stripe: #1f2937;
    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    --text-on-primary: #ffffff;
    --highlight-bg: #1e3a5f;
    --highlight-border: #2563eb;
    --success-bg: #064e3b;
    --success-text: #6ee7b7;
    --warning-bg: #78350f;
    --warning-text: #fde68a;
    --warning-border: #b45309;
    --danger-bg: #7f1d1d;
    --danger-text: #fca5a5;
    --danger-border: #991b1b;
    --info-bg: #1e3a5f;
    --approved-bg: #064e3b;
  }
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: var(--gray-100);
  color: var(--gray-800);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ── Header ── */
.app-header {
  background: var(--primary-dark);
  color: white;
  padding: 0 1.5rem;
  box-shadow: var(--shadow-md);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 60px;
}

.brand-link {
  text-decoration: none;
  color: inherit;
}

.brand-name {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.brand-tagline {
  font-size: 0.85rem;
  font-weight: 400;
  opacity: 0.8;
  margin-left: 0.5rem;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-link {
  color: rgba(255,255,255,0.85);
  text-decoration: none;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius);
  font-size: 0.875rem;
  transition: background 0.15s;
}

.nav-link:hover {
  background: rgba(255,255,255,0.15);
  color: white;
}

.nav-help {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.8rem;
  font-weight: 700;
  color: rgba(255,255,255,0.85);
}
.nav-help-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.7);
  font-size: 0.75rem;
  line-height: 1;
}
.nav-help:hover {
  border-color: #fff;
  color: #fff;
  background: rgba(255,255,255,0.15);
}

.nav-icon {
  vertical-align: middle;
  position: relative;
  top: -1px;
}

/* ── Main Content ── */
.main-content {
  flex: 1;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 1.5rem;
}

/* ── Footer ── */
.app-footer {
  text-align: center;
  padding: 1rem;
  color: rgba(255,255,255,0.7);
  font-size: 0.8rem;
  background: var(--primary-dark);
  margin-top: auto;
}

.footer-contact {
  color: rgba(255,255,255,0.85);
  font-size: 0.85rem;
  margin-bottom: 0.25rem;
}
.footer-link,
.footer-link:visited {
  color: #ffffff;
  text-decoration: none;
}
.footer-link:hover {
  text-decoration: underline;
}
.footer-user {
  margin-top: 0.5rem;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.6);
}
.footer-user a,
.footer-user a:visited {
  color: rgba(255,255,255,0.85);
  text-decoration: underline;
  margin-left: 0.5rem;
}
.footer-user a:hover {
  color: #ffffff;
  text-decoration: underline;
}

/* ── Cards ── */
.card {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.5rem;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.625rem 1.25rem;
  border: none;
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, transform 0.1s;
  text-decoration: none;
  line-height: 1.4;
}

.btn:active { transform: scale(0.98); }
.btn:disabled { opacity: 0.6; cursor: not-allowed; }

.btn-primary {
  background: var(--primary);
  color: var(--text-on-primary);
}
.btn-primary:hover:not(:disabled) { background: var(--primary-dark); }

.btn-secondary {
  background: #4a90d9;
  color: #fff;
  border: 1px solid #3a7bc8;
}
.btn-secondary:hover:not(:disabled) { background: #3a7bc8; }

.btn-danger {
  background: #dc3545;
  color: #fff;
  border: 1px solid #c82333;
}
.btn-danger:hover:not(:disabled) { background: #c82333; }

.btn-full { width: 100%; }

.btn-sm {
  padding: 0.375rem 0.75rem;
  font-size: 0.8rem;
}

.role-select {
  padding: 0.3rem 0.5rem;
  font-size: 0.85rem;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius);
  background: var(--input-bg);
  color: var(--text-primary);
  cursor: pointer;
}

.inline-edit {
  padding: 0.3rem 0.5rem;
  font-size: 0.85rem;
  border: 1px solid transparent;
  border-radius: var(--radius);
  background: transparent;
  color: var(--text-primary);
  width: 100%;
  min-width: 120px;
}
.inline-edit:hover {
  border-color: var(--gray-300);
  background: var(--input-bg);
}
.inline-edit:focus {
  border-color: var(--primary-light);
  background: var(--input-bg);
  outline: none;
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

/* ── Forms ── */
.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gray-600);
  margin-bottom: 0.375rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.625rem 0.75rem;
  border: 1px solid var(--input-border);
  border-radius: var(--radius);
  font-size: 0.9rem;
  transition: border-color 0.15s;
  background: var(--input-bg);
  color: var(--text-primary);
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary-light);
  box-shadow: 0 0 0 3px rgba(59,130,246,0.15);
}

.form-group input[type="date"]::-webkit-calendar-picker-indicator,
.form-group input[type="datetime-local"]::-webkit-calendar-picker-indicator {
  filter: invert(1);
  cursor: pointer;
}

.form-row {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.form-row .form-group {
  flex: 1;
  min-width: 150px;
}

.form-group-sm {
  max-width: 120px;
}

.form-group-ip {
  max-width: 170px;
}

.form-group-date {
  flex: 2;
  min-width: 200px;
}

.form-group-btn {
  display: flex;
  align-items: flex-end;
  gap: 0.5rem;
  max-width: fit-content;
}

/* ── Tables ── */
.table-wrapper {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

thead th {
  text-align: left;
  padding: 0.75rem;
  background: var(--gray-50);
  color: var(--gray-600);
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  border-bottom: 2px solid var(--gray-200);
}

th.sortable { cursor: pointer; user-select: none; }
th.sortable:hover { background: var(--gray-100); }
.sort-arrow { font-size: 0.7rem; color: var(--gray-400); }

tbody td {
  padding: 0.625rem 0.75rem;
  border-bottom: 1px solid var(--gray-100);
}

tbody tr:hover {
  background: var(--gray-50);
}

.row-active {
  background: var(--highlight-bg) !important;
}

.table-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.table-controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
}

.table-controls select {
  padding: 0.375rem 0.5rem;
  border: 1px solid var(--input-border);
  border-radius: var(--radius);
  font-size: 0.85rem;
  background: var(--input-bg);
  color: var(--text-primary);
}

.loading, .empty {
  text-align: center;
  color: var(--gray-400);
  padding: 2rem !important;
}

.code-cell {
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--primary);
}
.code-cell a.code-link {
  color: var(--primary);
  text-decoration: underline;
  text-decoration-style: dotted;
  cursor: pointer;
}
.code-cell a.code-link:hover {
  text-decoration-style: solid;
}

.details-cell {
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 0.75rem;
  color: var(--gray-500);
}

tr.log-row {
  cursor: pointer;
}
tr.log-row:hover td {
  background: var(--highlight-bg);
}
tr.log-detail-row td {
  padding: 0.75rem 1rem;
  background: var(--gray-50);
  border-top: none;
}
.log-detail-json {
  font-family: monospace;
  font-size: 0.8rem;
  white-space: pre-wrap;
  word-break: break-all;
  color: var(--text-primary);
  background: var(--input-bg);
  padding: 0.75rem;
  border-radius: var(--radius);
  max-height: 300px;
  overflow-y: auto;
}

/* ── Badges ── */
.badge {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border-radius: 9999px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.badge-pending { background: var(--warning-bg); color: var(--warning-text); }
.badge-opened { background: var(--success-bg); color: var(--success-text); }
.badge-validated { background: var(--highlight-bg); color: var(--primary); }
.badge-expired { background: var(--danger-bg); color: var(--danger-text); }
.badge-gate { background: var(--highlight-bg); color: var(--primary); }
.badge-gate-1V { background: #dc2626; color: #fff; }
.badge-gate-1R { background: #0d9488; color: #fff; }
.badge-gate-2V { background: #2563eb; color: #fff; }
.badge-gate-3V { background: #059669; color: #fff; }
.badge-gate-4V { background: #d97706; color: #fff; }
.badge-qr { background: #ede9fe; color: #7c3aed; }
.badge-lpr { background: #ecfeff; color: #0891b2; }
.badge-lane-visitor { background: #dbeafe; color: #1d4ed8; }
.badge-lane-resident { background: #fef3c7; color: #92400e; }
.badge-lane-exit { background: #ffe4e6; color: #be123c; }
.badge-gate-5 { background: #7c3aed; color: #fff; }
.badge-auth { background: #ede9fe; color: #5b21b6; }
.badge-mqtt { background: #ecfeff; color: #0e7490; }
.badge-config { background: var(--warning-bg); color: var(--warning-text); }
.badge-system { background: var(--gray-100); color: var(--gray-600); }
.badge-action-success { background: var(--success-bg); color: var(--success-text); }
.badge-action-danger { background: var(--danger-bg); color: var(--danger-text); }
.badge-action-info { background: #dbeafe; color: #1d4ed8; }
.badge-action-config { background: var(--warning-bg); color: var(--warning-text); }
.badge-action-user { background: #ede9fe; color: #5b21b6; }
.badge-success { background: var(--success-bg); color: var(--success-text); }
.badge-warning { background: var(--warning-bg); color: var(--warning-text); }
.badge-danger { background: var(--danger-bg); color: var(--danger-text); }
.badge-neutral { background: var(--gray-100); color: var(--gray-600); }

/* ── Pagination ── */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-top: 1rem;
  font-size: 0.85rem;
}

.page-info {
  color: var(--gray-500);
}

/* ── Guest Page ── */
.guest-container {
  max-width: 480px;
  margin: 0 auto;
}

.lang-buttons {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
  margin-bottom: 1rem;
}
.lang-btn {
  padding: 0.5rem 1rem;
  border: 2px solid var(--gray-300);
  border-radius: var(--radius);
  background: var(--card-bg);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--gray-600);
  cursor: pointer;
  transition: all 0.15s;
  flex: 1;
}
.lang-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
}
.lang-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--text-on-primary);
}

.guest-warning {
  background: var(--warning-bg);
  border: 2px solid var(--warning-border);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  margin-bottom: 1rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--warning-text);
  text-align: center;
  line-height: 1.5;
}

.guest-card {
  text-align: center;
}

.guest-card h2 {
  margin-bottom: 0.5rem;
}

.gate-info {
  color: var(--gray-500);
  margin-bottom: 1.5rem;
}

.guest-card .form-group {
  text-align: left;
}

.access-code {
  font-size: 4rem;
  font-weight: 800;
  color: var(--primary);
  font-family: 'SF Mono', 'Fira Code', monospace;
  letter-spacing: 0.1em;
  margin: 0.25rem 0;
}

.result-section {
  margin-top: 1.5rem;
  padding: 1.5rem;
  background: var(--info-bg);
  border-radius: var(--radius);
}

.expiry-msg {
  color: var(--gray-600);
  font-size: 0.9rem;
  margin-top: 0.5rem;
}

.countdown {
  font-weight: 700;
  font-family: 'SF Mono', 'Fira Code', monospace;
}

.expiry-msg.expired {
  color: var(--danger);
  font-weight: 600;
}

.approved-section {
  margin-top: 1.5rem;
  padding: 1.5rem;
  background: var(--approved-bg);
  border-radius: var(--radius);
  text-align: center;
}
.approved-icon {
  font-size: 3rem;
  color: var(--success);
  margin-bottom: 0.5rem;
}
.approved-section h3 {
  color: var(--success);
  margin-bottom: 0.75rem;
}
.approved-section p {
  color: var(--gray-600);
  line-height: 1.5;
}
.redirect-msg {
  margin-top: 1rem;
  font-size: 0.85rem;
  color: var(--gray-400);
}
.error-section {
  margin-top: 1rem;
  padding: 1rem;
  background: var(--danger-bg);
  border-radius: var(--radius);
  color: var(--danger);
}

.success-section {
  margin-top: 1rem;
  padding: 1rem;
  background: var(--success-bg);
  border-radius: var(--radius);
  color: var(--success-text);
}

/* ── 2N Call Status Bar ── */
.call-status-bar {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.5rem;
}
#direct-open-form {
  margin-top: 1.25rem;
}

.call-status-title {
  font-size: 0.85rem;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.75rem;
}

.call-status-gates {
  display: flex;
  gap: 0.75rem;
}

.call-gate-card {
  flex: 1;
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius);
  border: 2px solid var(--gray-200);
  background: var(--gray-50);
  transition: border-color 0.3s, background 0.3s;
}

.call-gate-label {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--gray-700);
}

.call-gate-status {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--gray-400);
}

.call-gate-card.call-idle .call-gate-status {
  color: var(--gray-400);
}

.call-gate-card.call-ringing {
  border-color: var(--warning-border);
  background: var(--warning-bg);
  animation: call-pulse 1.5s ease-in-out infinite;
}

.call-gate-card.call-ringing .call-gate-status {
  color: var(--warning-text);
}

.call-gate-card.call-connected {
  border-color: var(--success);
  background: var(--success-bg);
}

.call-gate-card.call-connected .call-gate-status {
  color: var(--success-text);
}

.call-gate-last {
  font-size: 0.7rem;
  color: var(--gray-400);
  font-style: italic;
  margin-left: auto;
}
.disconnected-banner {
  background: var(--danger);
  color: var(--text-on-primary);
  text-align: center;
  padding: 0.5rem 1rem;
  font-weight: 600;
  font-size: 0.85rem;
  position: sticky;
  top: 0;
  z-index: 100;
}

@keyframes call-pulse {
  0%, 100% { border-color: #f59e0b; }
  50% { border-color: #dc2626; }
}

@media (max-width: 768px) {
  .call-status-gates {
    flex-direction: column;
  }
}

/* ── Guard Page ── */
.guard-container {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.guard-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.action-section h3 {
  font-size: 1rem;
  color: var(--gray-700);
  margin-bottom: 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--gray-100);
}

.address-error {
  color: var(--danger);
  background: var(--danger-bg);
  border: 1px solid var(--danger-border);
  border-radius: var(--radius);
  padding: 0.625rem 1rem;
  font-size: 1rem;
  font-weight: 600;
  text-align: center;
  margin-bottom: 0.75rem;
}

.gate-buttons {
  display: flex;
  gap: 0.75rem;
}
.gate-buttons .direct-gate-btn {
  flex: 1 1 0;
  min-width: 0;
  padding: 0.85rem 1rem;
  font-size: 1.05rem;
}
.btn-gate-active {
  background: var(--success) !important;
  color: white !important;
}
.btn-gate-active:hover:not(:disabled) {
  background: #15803d !important;
}
.btn-gate-idle {
  background: var(--gray-300) !important;
  color: var(--gray-600) !important;
}
.btn-gate-idle:hover:not(:disabled) {
  background: var(--gray-400) !important;
}

.refresh-indicator {
  font-size: 0.75rem;
  color: var(--gray-400);
}

/* ── Active Codes List ── */
.active-codes-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.active-codes-list .empty {
  width: 100%;
  padding: 1.5rem !important;
}

.code-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  padding: 1rem 1.25rem;
  background: var(--highlight-bg);
  border: 2px solid var(--highlight-border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, transform 0.1s;
  min-width: 150px;
}

.code-btn:hover:not(:disabled) {
  background: var(--info-bg);
  border-color: var(--primary-light);
}

.code-btn:active:not(:disabled) {
  transform: scale(0.97);
}

.code-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.code-btn-code {
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
}

.code-btn-timer {
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--warning);
}

.code-btn-timer.expired {
  color: var(--danger);
}

.code-btn-name {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--gray-700);
  text-align: center;
}

.code-btn-address {
  font-size: 0.75rem;
  color: var(--gray-500);
  text-align: center;
}

/* ── Status Toast ── */
.status-toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  padding: 1rem 1.5rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.9rem;
  box-shadow: var(--shadow-md);
  z-index: 1000;
}

.status-toast.success {
  background: var(--success-bg);
  color: var(--success-text);
  border: 1px solid var(--success);
}

.status-toast.error {
  background: var(--danger-bg);
  color: var(--danger-text);
  border: 1px solid var(--danger-border);
}

/* ── Honeypot ── */
.hp-field {
  position: absolute;
  left: -9999px;
  opacity: 0;
  height: 0;
  overflow: hidden;
}

/* ── Login Page ── */
.login-container {
  max-width: 400px;
  margin: 1.5rem auto;
}

.login-card {
  text-align: center;
}

.login-card h2 {
  margin-bottom: 0.5rem;
}

.login-card p {
  color: var(--gray-500);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
}
.login-card a,
.login-card a:visited {
  color: var(--primary-light);
}
.login-card a:hover {
  color: var(--primary);
}

.login-divider {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: 1.5rem 0;
  color: var(--gray-400);
  font-size: 0.85rem;
}

.login-divider::before,
.login-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--gray-200);
}

/* ── Config Page ── */
.config-container h2 {
  margin-bottom: 1rem;
}

.card.config-section {
  margin-top: 5px;
  margin-bottom: 5px;
}

.config-section h3 {
  font-size: 1rem;
  margin-bottom: 0.25rem;
}

/* ── Status Page Grid ── */
.status-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.status-grid-full {
  grid-column: 1 / -1;
}
@media (max-width: 768px) {
  .status-grid {
    grid-template-columns: 1fr;
  }
}

.section-desc {
  font-size: 0.8rem;
  color: var(--gray-400);
  margin-bottom: 1rem;
}

.config-actions {
  margin-top: 1.5rem;
}

.config-status {
  margin-top: 1rem;
  padding: 1rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.9rem;
}

.config-status.success {
  background: var(--success-bg);
  color: var(--success-text);
}

.config-status.error {
  background: var(--danger-bg);
  color: var(--danger-text);
}

.inline-test-status {
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.375rem 0.5rem;
  border-radius: var(--radius);
  margin-bottom: 0.5rem;
}

.inline-test-status.success {
  background: var(--success-bg);
  color: var(--success-text);
}

.inline-test-status.error {
  background: var(--danger-bg);
  color: var(--danger-text);
}

.inline-test-status.loading {
  color: var(--gray-400);
}

.mqtt-status-table td, .mqtt-status-table th {
  vertical-align: top;
}

/* ── Status Page ── */
.status-table {
  width: 100%;
  border-collapse: collapse;
}
.status-table td, .status-table th {
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--gray-100);
  vertical-align: top;
}
.status-table tr:last-child td {
  border-bottom: none;
}
.status-table td:first-child {
  color: var(--gray-500);
  white-space: nowrap;
  width: 180px;
}
.status-table th {
  text-align: left;
  color: var(--gray-500);
  font-weight: 600;
  font-size: 0.85rem;
}

/* ── Admin Page ── */
.admin-container h2 {
  margin-bottom: 1rem;
}

.analytics-loading-overlay {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.85);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  padding-top: 6rem;
  z-index: 50;
  border-radius: 8px;
}
.analytics-loading-overlay.hidden { display: none; }
.analytics-loading-spinner {
  width: 40px;
  height: 40px;
  border: 4px solid rgba(255,255,255,0.2);
  border-top-color: #3b82f6;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.analytics-loading-text {
  margin-top: 0.75rem;
  color: #cbd5e1;
  font-size: 0.9rem;
}

.summary-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1rem;
  margin-bottom: 1rem;
}

.summary-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.25rem;
  text-align: center;
}

.summary-value {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
}

.summary-label {
  font-size: 0.8rem;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.filter-section {
  margin-bottom: 1rem;
}

.charts-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-auto-rows: auto;
  gap: 1rem;
  margin-bottom: 1rem;
}

.chart-card {
  min-height: 320px;
  overflow: visible;
}

.chart-card h3 {
  font-size: 0.9rem;
  color: var(--gray-600);
  margin-bottom: 0.75rem;
}

.chart-card-full {
  grid-column: 1 / -1;
}

.stats-click-hint {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-on-primary);
  background: var(--primary);
  padding: 0.2rem 0.6rem;
  border-radius: 9999px;
  margin-left: 0.5rem;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  vertical-align: middle;
  cursor: default;
}

.stats-section-heading {
  font-size: 1rem;
  font-weight: 700;
  color: var(--gray-600);
  margin: 1.5rem 0 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--gray-200);
}

/* ── Setup Wizard ── */
.setup-container {
  max-width: 800px;
  margin: 0 auto;
  padding-bottom: 2rem;
}

.setup-welcome {
  background: var(--info-bg);
  border: 1px solid var(--highlight-border);
  margin-bottom: 1rem;
}

.setup-welcome h2 {
  color: #fff;
  margin-bottom: 0.5rem;
}

.setup-welcome p {
  color: var(--gray-600);
  font-size: 0.9rem;
}

.azure-notice {
  background: var(--warning-bg);
  border: 1px solid var(--warning-border);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  margin-bottom: 1rem;
  font-size: 0.85rem;
  color: var(--warning-text);
}

.azure-notice code {
  background: rgba(0,0,0,0.06);
  padding: 0.1rem 0.3rem;
  border-radius: 3px;
  font-size: 0.8rem;
}

.setup-section {
  margin-bottom: 0.75rem;
}

.setup-section details {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.setup-section summary {
  padding: 1rem 1.25rem;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--gray-800);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  user-select: none;
  transition: background 0.15s;
}

.setup-section summary:hover {
  background: var(--gray-50);
}

.setup-section summary::before {
  content: '\25B6';
  font-size: 0.7rem;
  color: var(--gray-400);
  transition: transform 0.2s;
}

.setup-section details[open] > summary::before {
  transform: rotate(90deg);
}

.setup-section summary::-webkit-details-marker {
  display: none;
}

.section-body {
  padding: 0 1.25rem 1.25rem;
}

.section-help {
  font-size: 0.85rem;
  color: var(--gray-500);
  margin-bottom: 1rem;
  line-height: 1.5;
}

.section-help a {
  color: var(--primary-light);
  text-decoration: none;
  font-weight: 600;
}

.section-help a:hover {
  text-decoration: underline;
}

.section-help-list {
  font-size: 0.85rem;
  color: var(--gray-500);
  margin: 0.5rem 0 1rem 1.25rem;
  line-height: 1.7;
}

.section-help-list li {
  margin-bottom: 0.15rem;
}

.section-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 0.5rem;
}

.btn-test {
  background: var(--card-bg);
  color: var(--primary);
  border: 2px solid var(--primary-light);
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.btn-test:hover {
  background: var(--primary);
  color: var(--text-on-primary);
}

.btn-test:active {
  transform: scale(0.98);
}

.test-result {
  font-size: 0.85rem;
  font-weight: 600;
  transition: opacity 0.2s;
}

.test-result.success {
  color: var(--success);
}

.test-result.error {
  color: var(--danger);
}

.test-result.loading {
  color: var(--gray-400);
}

.gate-row {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--gray-100);
}

.gate-row:last-child {
  border-bottom: none;
}

.gate-row h4 {
  font-size: 0.85rem;
  color: var(--gray-600);
  margin-bottom: 0.5rem;
}

.setup-save {
  margin-top: 1.5rem;
}

.btn-lg {
  padding: 0.875rem 1.5rem;
  font-size: 1rem;
}

/* ── Address Autocomplete ── */
.address-dropdown {
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  background: var(--card-bg);
  border: 1px solid var(--gray-300);
  border-top: none;
  border-radius: 0 0 var(--radius) var(--radius);
  max-height: 240px;
  overflow-y: auto;
  z-index: 200;
  box-shadow: var(--shadow-md);
}

.address-option {
  padding: 0.5rem 0.75rem;
  font-size: 0.9rem;
  cursor: pointer;
  transition: background 0.1s;
}

.address-option:hover,
.address-option.active {
  background: var(--gray-100);
  color: var(--primary-dark);
}

/* ── Utility Classes ── */
.text-success { color: var(--success); font-weight: 600; }
.text-warning { color: var(--warning); font-weight: 600; }
.text-danger { color: var(--danger); font-weight: 600; }
.text-muted { color: var(--gray-400); }

.success-section {
  margin-bottom: 1rem;
  padding: 0.75rem;
  background: var(--success-bg);
  color: var(--success-text);
  border-radius: var(--radius);
}

/* ── Gate Offline Banner ── */
.gate-offline-banner {
  background: var(--warning);
  color: #000;
  text-align: center;
  padding: 0.5rem 1rem;
  font-weight: 600;
  font-size: 0.85rem;
  position: sticky;
  top: 60px;
  z-index: 99;
  display: none;
}
.gate-offline-banner.banner-danger {
  background: var(--danger);
  color: #fff;
}

/* ── Search Page ── */
tr.search-row {
  cursor: pointer;
}
tr.search-row:hover td {
  background: var(--highlight-bg);
}
.search-value {
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-weight: 600;
}
.thead-filters th {
  padding: 0.25rem 0.5rem;
  background: var(--gray-50);
  border-bottom: 2px solid var(--gray-200);
}
.thead-filters select {
  width: 100%;
  padding: 0.3rem 0.4rem;
  font-size: 0.78rem;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  background: var(--card-bg);
  color: var(--text-primary);
  cursor: pointer;
}
.thead-filters select:focus {
  outline: none;
  border-color: var(--primary-light);
  box-shadow: 0 0 0 2px rgba(59,130,246,0.15);
}
tr.search-detail-row td {
  padding: 0;
  border-top: none;
}
.detail-columns {
  display: flex;
  gap: 1.5rem;
  padding: 1rem;
  background: var(--gray-50);
}
.detail-panel {
  display: flex;
  gap: 1.5rem;
  width: 100%;
}
.detail-info {
  flex: 1;
  min-width: 0;
}
.detail-info h4, .associated-panel h4 {
  font-size: 0.9rem;
  color: var(--gray-600);
  margin-bottom: 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--gray-200);
}
.detail-image {
  margin-bottom: 0.75rem;
}
.detail-image img {
  max-width: 100%;
  max-height: 300px;
  border-radius: var(--radius);
  border: 1px solid var(--gray-200);
}
.detail-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}
.detail-table td {
  padding: 0.375rem 0.5rem;
  border-bottom: 1px solid var(--gray-100);
  vertical-align: top;
}
.detail-table td:first-child {
  color: var(--gray-500);
  white-space: nowrap;
  width: 130px;
  font-weight: 500;
}
.raw-payload {
  margin-top: 0.75rem;
}
.raw-payload summary {
  cursor: pointer;
  font-size: 0.8rem;
  color: var(--gray-500);
  font-weight: 600;
}
.raw-payload pre {
  margin-top: 0.5rem;
  font-size: 0.75rem;
  background: var(--input-bg);
  padding: 0.75rem;
  border-radius: var(--radius);
  overflow-x: auto;
  max-height: 300px;
  overflow-y: auto;
  color: var(--text-primary);
}
.associated-panel {
  flex: 1;
  min-width: 0;
}
.associated-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.associated-item {
  background: var(--card-bg);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 0.625rem 0.75rem;
}
.associated-item-header {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  margin-bottom: 0.25rem;
}
.associated-item-value {
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-primary);
}
.associated-item-time {
  font-size: 0.75rem;
  color: var(--gray-400);
  margin-top: 0.25rem;
}
.assoc-time-diff {
  color: var(--primary);
  font-weight: 600;
}
.assoc-plate-img {
  max-width: 100%;
  max-height: 200px;
  border-radius: var(--radius);
  border: 1px solid var(--gray-200);
  margin-top: 0.5rem;
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .header-content {
    flex-direction: column;
    height: auto;
    padding: 0.75rem 0;
    gap: 0.5rem;
  }

  .main-nav {
    flex-wrap: wrap;
    justify-content: center;
  }

  .guard-actions {
    grid-template-columns: 1fr;
  }

  .charts-grid {
    grid-template-columns: 1fr;
  }

  .form-row {
    flex-direction: column;
  }

  .form-row .form-group {
    min-width: auto;
  }

  .form-group-ip {
    max-width: none;
  }

  .form-group-sm {
    max-width: none;
  }

  .form-group-date {
    min-width: auto;
  }

  .detail-columns, .detail-panel {
    flex-direction: column;
  }
}